In Piaget's dynamic conception of the child's cognitive growth, the transition from sensory-motor intelligence to the developmental stage of representational intelligence occurs during 5 to 7 years of age. The development proceeds from undifferentiation to differentiation, from unintentional to intentional, from unintelligent to intelligent, and…

Educational implications and symptoms are described for learning disorders, the disruption in the processing of information within the central nervous system caused by brain damage, emotional disturbance, or inadequate presentation of learning experiences. Developmental sequences, developmental progression, and restoration of development are…